4. A newly created acid has produced a solution with a pH of 4.10. Its starting concentration was 0.55 M. What is the acid ionization constant of this new

acid?

5. What can be calculated to determine the strength of a hase?

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Can anyone explain 1. review your spectrometry data and use the known elements to identify the star's composition. which unknown elements make up this star? justify your element selections. 2. in parts i and ii of the lab, what happened to the electrons of each element to produce the different colors of light? explain your answers using important terms from the lesson and information provided in the laboratory. 3. stars composed of heavier (more massive) elements are often slightly older than stars made predominantly from hydrogen and helium. based on your data, is the newly discovered star a younger star? explain your answer.